Alexander, GC; Mohajir N; Meltzer DO. Consumers' perceptions about risk of and access to nonprescription medications. Journal of the American Pharmacists Association. 2005, 45 (3): 363–370. PMID 15991758. doi:10.1331/1544345054003868.
Alexander, GC; Mohajir N; Meltzer DO. Consumers' perceptions about risk of and access to nonprescription medications. Journal of the American Pharmacists Association. 2005, 45 (3): 363–370. PMID 15991758. doi:10.1331/1544345054003868.
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Millar, Abi. Defining OTC Drugs. Pharma Technology Focus. February 2018, (67) [3 February 2018]. (原始内容存档于2021-04-28).